0025441: Purchase order - Unit price is not correctly set when the unit price and the price list are different

Description

Purchase order - Unit price is not correctly set when the unit price and the price list are different

Steps To Reproduce

- Create a new product
- Add a new purchase price. Unit and list price needs to be different
- Create a new purchase order
- Select a product. Save the line
- Change the quantity. The unit price is set with the same value that the list price